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EP1382996A4 - Optisches beleuchtungssystem und projektor - Google Patents

Optisches beleuchtungssystem und projektor

Info

Publication number
EP1382996A4
EP1382996A4 EP02720616A EP02720616A EP1382996A4 EP 1382996 A4 EP1382996 A4 EP 1382996A4 EP 02720616 A EP02720616 A EP 02720616A EP 02720616 A EP02720616 A EP 02720616A EP 1382996 A4 EP1382996 A4 EP 1382996A4
Authority
EP
European Patent Office
Prior art keywords
optical system
projector
illuminating optical
light
lens array
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02720616A
Other languages
English (en)
French (fr)
Other versions
EP1382996B1 (de
EP1382996A1 (de
Inventor
Koichi Akiyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of EP1382996A1 publication Critical patent/EP1382996A1/de
Publication of EP1382996A4 publication Critical patent/EP1382996A4/de
Application granted granted Critical
Publication of EP1382996B1 publication Critical patent/EP1382996B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0927—Systems for changing the beam intensity distribution, e.g. Gaussian to top-hat
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/095—Refractive optical elements
    • G02B27/0955—Lenses
    • G02B27/0961—Lens arrays
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/0977—Reflective elements
    • G02B27/0983—Reflective elements being curved
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2066—Reflectors in illumination beam
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/317—Convergence or focusing systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Liquid Crystal (AREA)
EP02720616A 2001-04-27 2002-04-25 Optisches beleuchtungssystem und projektor Expired - Lifetime EP1382996B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001132768 2001-04-27
JP2001132768 2001-04-27
PCT/JP2002/004183 WO2002088842A1 (fr) 2001-04-27 2002-04-25 Systeme optique d'eclairage et projecteur

Publications (3)

Publication Number Publication Date
EP1382996A1 EP1382996A1 (de) 2004-01-21
EP1382996A4 true EP1382996A4 (de) 2006-11-02
EP1382996B1 EP1382996B1 (de) 2009-07-08

Family

ID=18980731

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02720616A Expired - Lifetime EP1382996B1 (de) 2001-04-27 2002-04-25 Optisches beleuchtungssystem und projektor

Country Status (5)

Country Link
US (1) US6796662B2 (de)
EP (1) EP1382996B1 (de)
JP (1) JP3794387B2 (de)
DE (1) DE60232868D1 (de)
WO (1) WO2002088842A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7150535B2 (en) 2003-10-07 2006-12-19 Seiko Epson Corporation Lighting device and projector equipped with the same
US7055969B2 (en) * 2004-04-29 2006-06-06 Hewlett-Packard Development Company, L.P. Reflective optical assembly
JP4222285B2 (ja) * 2004-10-06 2009-02-12 セイコーエプソン株式会社 プロジェクタ
JP4735333B2 (ja) * 2005-03-10 2011-07-27 パナソニック株式会社 Ｌｅｄ照明器具
JP4904741B2 (ja) * 2005-08-09 2012-03-28 株式会社日立製作所 投射型映像表示装置および遮光方法
JP4682227B2 (ja) * 2008-06-13 2011-05-11 パナソニック株式会社 高圧放電ランプ装置及びそれを用いたプロジェクタ
US8403502B2 (en) * 2008-11-18 2013-03-26 Barco N.V. Collimated visual display with elliptical front projection screen
US8562152B2 (en) * 2009-12-24 2013-10-22 Seiko Epson Corporation Collimator lens unit with aspheric surfaces for imparting a luminous flux density distribution
JP5699568B2 (ja) * 2010-11-29 2015-04-15 セイコーエプソン株式会社 光源装置、プロジェクター
JP5713666B2 (ja) * 2010-12-27 2015-05-07 キヤノン株式会社 照明光学系およびそれを用いた画像投射装置
JP6007361B2 (ja) * 2014-01-15 2016-10-12 コニカミノルタ株式会社 導光体、画像読取用照明装置及び画像読取装置
CN111323376B (zh) * 2020-04-16 2023-03-28 中国科学院电工研究所 一种平行入射的红外热辐射光声光谱气体传感装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10115870A (ja) * 1996-10-09 1998-05-06 Mitsubishi Electric Corp 照明光学系装置及び投写型表示装置
JP2000162542A (ja) * 1998-11-30 2000-06-16 Canon Inc 光照射装置および画像投射装置
JP2000347293A (ja) * 1999-04-02 2000-12-15 Seiko Epson Corp 光源装置、および、これを備えた照明光学系ならびにプロジェクタ
EP1139014A2 (de) * 2000-03-31 2001-10-04 Seiko Epson Corporation Lichtquelle, optisches Beleuchtungssystem und damit versehener Projektor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5068768A (en) * 1990-03-28 1991-11-26 Koito Manufacturing Co., Ltd. Variable light distribution type automobile lamp
JPH10171020A (ja) * 1996-12-09 1998-06-26 Nissho Giken Kk 照明装置
JPH10171019A (ja) * 1996-12-09 1998-06-26 Nissho Giken Kk 照明用補助結像装置
US6024452A (en) * 1997-04-22 2000-02-15 3M Innovative Properties Company Prismatic light beam homogenizer for projection displays
JPH11125795A (ja) * 1997-10-20 1999-05-11 Nissho Giken Kk 照明装置
JP3347676B2 (ja) * 1998-10-29 2002-11-20 キヤノン株式会社 照明装置およびそれを用いた投射型表示装置
JP4355381B2 (ja) * 1998-10-29 2009-10-28 キヤノン株式会社 照明装置およびそれを用いた投射型表示装置
JP3317915B2 (ja) * 1999-03-12 2002-08-26 エヌイーシービューテクノロジー株式会社 映像投射装置
JP2001272722A (ja) * 2000-03-24 2001-10-05 Nikon Corp 投射型表示装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10115870A (ja) * 1996-10-09 1998-05-06 Mitsubishi Electric Corp 照明光学系装置及び投写型表示装置
JP2000162542A (ja) * 1998-11-30 2000-06-16 Canon Inc 光照射装置および画像投射装置
US6246526B1 (en) * 1998-11-30 2001-06-12 Canon Kabushiki Kaisha Light irradiating apparatus and image displaying apparatus
JP2000347293A (ja) * 1999-04-02 2000-12-15 Seiko Epson Corp 光源装置、および、これを備えた照明光学系ならびにプロジェクタ
EP1139014A2 (de) * 2000-03-31 2001-10-04 Seiko Epson Corporation Lichtquelle, optisches Beleuchtungssystem und damit versehener Projektor

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 10 31 August 1998 (1998-08-31) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 09 13 October 2000 (2000-10-13) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 15 6 April 2001 (2001-04-06) *

Also Published As

Publication number Publication date
JP3794387B2 (ja) 2006-07-05
EP1382996B1 (de) 2009-07-08
JPWO2002088842A1 (ja) 2004-08-19
WO2002088842A1 (fr) 2002-11-07
EP1382996A1 (de) 2004-01-21
US6796662B2 (en) 2004-09-28
US20030214634A1 (en) 2003-11-20
DE60232868D1 (de) 2009-08-20

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